Author

Nikolaos Samaras

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Review Open access Aug 2026

The relevance of the cosmic microwave background for cosmology

Within the Hot Big Bang picture, as usually interpreted in the standard LCDM framework and its hierarchical scenario for elliptical galaxy assembly, the cosmic microwave background (CMB) is associated with photon decoupling near z = 1100, and the Planck angular power spectra are taken to constrain primordial 10^{-5}-le...

P. Kroupa, E. Gjergo, Nikolaos Samaras · Proceedings of Proceedings o... · 0 citations

Preprint Open access Aug 2026

Testing Covarying Coupling Constants (CCC) against the full SPARC rotation-curve sample: a like-for-like comparison with MOND and NFW

The Covarying Coupling Constants (CCC) framework, developed to account for high-redshift JWST observations, contains a mechanism -- a covarying-constant effective mass field keyed to local density -- that modifies galactic dynamics without particle dark matter. We test it against the full Spitzer Photometry and Accurat...

Rajendra P. Gupta, Nikolaos Samaras · 0 citations